국외사이트
학회명

American Society of Gastrointestinal Endoscopy

Endoscopy

Gastroenterology

GastroHep

Gastrointestinal Endoscopy

GUT

MedlinePlus

NEJM

Pancreas

Society of Gastroenterology Nurses and Associates (SGNA)

The American Gastroenterological Association

The American Journal of Gastroenterology

The Society of American Gastrointestinal Endoscopic Surgeons (SAGES)

THOMSON ISI

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